Towards biodegradable wireless implants | Zendy

Clémentine M. Boutry | Zendy; Hengky Chandrahalim | Zendy; P. Streit | Zendy; Michael Schinhammer | Zendy; Anja C. Hänzi | Zendy; Christofer Hierold | Zendy

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Towards biodegradable wireless implants

Author(s) -

Clémentine M. Boutry,

Hengky Chandrahalim,

P. Streit,

Michael Schinhammer,

Anja C. Hänzi,

Christofer Hierold

Publication year - 2012

Publication title -

philosophical transactions of the royal society a mathematical physical and engineering sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.074

H-Index - 169

eISSN - 1471-2962

pISSN - 1364-503X

DOI - 10.1098/rsta.2011.0439

Subject(s) - polypyrrole , materials science , polycaprolactone , biodegradable polymer , capacitor , nanotechnology , polymer , electrical engineering , composite material , polymerization , engineering , voltage

A new generation of partially or even fully biodegradable implants is emerging. The idea of using temporary devices is to avoid a second surgery to remove the implant after its period of use, thereby improving considerably the patient's comfort and safety. This paper provides a state-of-the-art overview and an experimental section that describes the key technological challenges for making biodegradable devices. The general considerations for the design and synthesis of biodegradable components are illustrated with radiofrequency-driven resistor-inductor-capacitor (RLC) resonators made of biodegradable metals (Mg, Mg alloy, Fe, Fe alloys) and biodegradable conductive polymer composites (polycaprolactone-polypyrrole, polylactide-polypyrrole). Two concepts for partially/fully biodegradable wireless implants are discussed, the ultimate goal being to obtain a fully biodegradable sensor for in vivo sensing.

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